Migration in India NSS 55 th ROUND (July 1999 June 2000)

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Report No. 470 (55/10/8) Migration in India 1999-2000 NSS 55 th ROUND (July 1999 June 2000) National Sample Survey Organisation Ministry of Statistics & Programme Implementation Government of India September 2001 1 NSS Report No. 470: Migration in India, 1999-2000

Preface The National Sample Survey Organisation (NSSO) has been carrying out all-india household surveys on employment and unemployment with a large sample usually once in five years. The sixth such survey was conducted in the 55 th round (July 1999 June 2000). In this survey, data on migration particulars of the members of the sample households were collected as a part of the employment - unemployment schedule. Earlier, comprehensive data on migration were collected in NSS 38 th (January- December 1983), 43 rd (July 1987 - June 1988) and 49 th (January June 1993) rounds. The report contains the results based on ten selected tables of the tabulation plan. It features the estimates pertaining to migration in India along with various characteristics associated with them. It contains four Chapters and an. Of these, Chapter 1 is introductory while Chapter 2 deals with the concepts and definitions of important terms used in the survey and which are relevant to this report. Chapter 4 deals with the summary findings on different aspects of migration. The Field Operations Division (FOD) of the Organisation conducted the fieldwork for the survey. The collected data were processed and tabulated by the Data Processing Division (DPD). The Survey Design & Research Division (SDRD) developed the survey design and prepared the report. I am grateful to the Chairman and members of the Governing Council and Heads of various Divisions of the NSSO and their colleagues for the contribution made in preparing the report. Comments/suggestions from the readers will be most welcome. New Delhi September, 2001 N.S. Sastry Director General & Chief Executive Officer National Sample Survey Organisation 2 NSS Report No. 470: Migration in India, 1999-2000

Contents Page no. Highlights i List of Tables iii Chapter 1 Introduction 1 Chapter 2 Concepts and Definitions 5 Chapter 3 Sample Design and Estimation Procedure 9 Chapter 4 Summary of Findings 17 Note A Explanatory note on detailed tables N1 All India detailed tables A1 3 NSS Report No. 470: Migration in India, 1999-2000

HIGHLIGHTS About 27 per cent of the Indian population were migrants. The proportion of migrants to the total population was higher (33 per cent) in urban areas than that (24 per cent) in the rural areas. The proportion was the lowest among rural males. About 77 per cent of the migrants in India were female. The female migrants outnumbered their male counterparts in both rural and urban areas - more so in rural areas than in urban areas. Internal migrants represented about 99 per cent of the total migrants. Inter-district and inter-state movements were more frequent for migrants in urban areas than those for migrants in rural areas. About 20 per cent of the migrants in urban areas and 6 per cent of the migrants in rural areas came from other states. Among the four types of rural-urban migration streams, the rural-to-rural migration stream was dominant. It was also restricted to shorter distance movements as compared to other rural-urban migration streams. Adjoining states accounted for a large part of the inter-state migration. Among migrants in urban areas, more had migrated from rural areas than from urban areas. In urban areas, among the migrants, about 59 per cent of the males and about 58 per cent of the females were from the rural areas. Among the male migrants, 30 per cent in rural areas and 52 per cent in urban areas migrated due to reasons related to employment while among the female migrants, the corresponding proportions were only 1 per cent in rural areas and 3 per cent in urban areas. In the case of rural females, movements were mainly due to marriage (89 per cent) whereas for urban females, the two main reasons for migration were marriage (59 per cent) and movements of parents/ earning members (31 per cent). 4 NSS Report No. 470: Migration in India, 1999-2000

Among the male migrants, about 57 per cent of the rural-to-urban movements were due to reasons related to employment. Proportion of persons who migrated for reasons related to employment was higher among inter-migrants than that among migrants of any category in general. Proportion of migrants to the total population of the monthly per capita expenditure (MPCE) class was, in general, higher for the higher MPCE classes. Both in rural and urban areas, the male migrants were mainly from the employed category whereas the majority of the female migrants were from outside the labour force. A little over 1 per cent of the Indian population reported staying outside village/town for 60 days or more for employment/ better employment or in search of employment. This proportion was slightly higher in rural areas than in urban areas and was higher among the males than among the females. 5 NSS Report No. 470: Migration in India, 1999-2000

List of Tables table title page no. no. M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 Estimated number (in 00) of migrants by place of residence before migration and period elapsed since migration Per 1000 distribution of population by migration status and period elapsed since migration Estimated number (in 00) of migrants by place of residence before migration and reason for migration Per thousand distribution of migrants by reason for migration for each social group and location of last usual place of residence Per thousand distribution of migrants by reason for migration for each usual activity category before migration Per thousand distribution of migrants by location of last usual place of residence for each household monthly per capita expenditure class Per thousand distribution of migrants by usual principal activity category after migration for each usual activity category before migration Per thousand distribution of migrants by reason for migration for each usual principal work activity status and occupation after migration Per thousand distribution of persons whose place of enumeration was the usual place of residence and who stayed away from villages/ towns for 60 days or more for employment or in search of employment by educational standard (general) for each usual principal activity category Per thousand distribution of persons whose place of enumeration was the usual place of residence and who stayed away from villages/ towns for 60 days or more for employment or in search of employment by MPCE classes for each usual principal activity category A-1 A-13 A-19 A-31 A- 91 A-121 A-151 A-181 A-187 A-217 6 NSS Report No. 470: Migration in India, 1999-2000

Chapter 1 Introduction 1.0 The report in perspective 1.0.1 Movement is an integral part of human existence. A large number of movements like commuting to and from the place of work, travelling for business or pleasure etc. are of temporary nature while some other movements are relatively of permanent nature and involve a change of residence from one place to another place. These movements which result into the change of the place of residence of the individuals are treated as migration. Though social, cultural, political, personal and natural forces have a bearing on migration, viewing it as an economic phenomenon receive special attention. People may be motivated to change their place of residence because of lack of employment opportunities in the area where they are residing or in the hope of finding better opportunities elsewhere. In view of this, in the 55 th round survey of NSSO, along with the employment and unemployment particulars, data on migration particulars of the members of the sample households were collected through the employment - unemployment schedule (viz. schedule 10). 1.0.2 This report is based on the data on migration particulars obtained through the employment - unemployment schedule of the 55 th round survey (July 1999 June 2000) of NSSO carried out in the central sample. Based on the data collected during the entire period, estimates pertaining to migration in India along with various characteristics associated with them have been presented in this report. 1.0.3 Based on the detailed information collected from the central sample through the employment - unemployment schedule during the 55 th round survey of NSSO, 8 reports were planned to be brought out. Seven reports have already been brought out and this is the last report in the series. The first report, viz. Report number 455, presented the key results on employment and unemployment in India, 1999-2000. The second report (report number: 458) dealt, in detail, with the employment-unemployment estimates measured in terms of the three basic approaches of usual status, current weekly status and current daily status and their patterns along with their correlates. It also covered some aspects of underemployment. The third report dealt with nonagricultural workers by various attributes with special emphasis on workers in the informal sector, i.e. those working in proprietary or partnership type of enterprises (Report no. 460). The fourth report (Report No. 462), discussed some features on employment and unemployment situation in cities and towns of India. The fifth one (Report no. 465), was based on the participation of women in household work and other specified household activities. The sixth report (report no. 468) dealt with the employment-unemployment estimates of the people belonging to different religions in India along with their correlates like educational attainment, expenditure levels, land cultivated, etc. The seventh report (report no. 469) dealt with the employment-unemployment estimates of the people belonging to different social groups in India. The present report, the last in the series, deals with the estimates pertaining to migration in India, social and economic profile of the migrants, reasons for migration, etc. 7 NSS Report No. 470: Migration in India, 1999-2000

1.1 Background 1.1.1 Sources of migration data: Census of India is the single largest source of data on migration characteristics for the people of India. Various surveys conducted by the NSSO are also the important sources of migration data. To assess the volume and structure of migration in India, starting with the 9 th round (May-September, 1955), NSSO conducted a number of surveys to collect data on migration as part of its employment and unemployment enquiries. In the 9 th, 11 th and 12 th rounds of surveys, migration particulars were collected for the labour force population only. From the 13 th round onwards, more detailed information on migration has been collected. In the 18 th round, survey on migration was conducted on a much larger scale. In the NSS 28 th round survey on birth, death, morbidity and disability, migration particulars of the usual members of the sample households were also collected. In the 38 th round, collection of migration data was integrated with the regular quinquennial survey on employment & unemployment. The same approach was followed during the 43 rd round also. Prior to the 55 th round survey, data on migration was collected during the 49 th round survey through the Schedule 1.2 which had a comprehensive coverage including, inter-alia, housing condition and Migration in India. 1.2 The present survey 1.2.1 An all-india survey on the situation of employment and unemployment in India during the period July, 1999-June, 2000 was carried out as part of the 55 th round of the National Sample Survey Organisation (NSSO). In this survey, information on various facets of employment and unemployment as well as on migration in India was collected through the employmentunemployment schedule (schedule 10). 1.2.2 In the present survey, information on migration particulars was collected for each household member of the sample household through the employment-unemployment schedule. From each of the sample migrants, information on reason for migration, period elapsed since migration, location of last usual place of residence, usual activity pursued at the time of migration etc. was collected. In this survey, to assess the short duration movements of the people of India, for each person who stayed in the sample village or town for at least 6 months, it was ascertained whether during last 365 days preceding the date of survey he/she stayed away from the village/town for 60 days or more either for employment or better employment or in search of employment. 1.2.3 A sub-set of sample households within the survey period were revisited after a gap of three months and an abridged form of schedule 10, viz. schedule 10.1, comprising the main items of enquiry of schedule 10 including that of migration was canvassed for these households. Further, departing from the past practice of canvassing schedule 10 and schedule 1.0 (household consumer expenditure) on the same set of households, in this round, these two schedules of enquiry were canvassed in two separate sets of households. 1.2.4 Geographical Coverage: The survey covered the whole of the Indian Union excepting (i) Ladakh & Kargil districts of Jammu and Kashmir, (ii) 768 interior villages of Nagaland situated beyond 5 kms. of the bus route and (iii) 172 villages of Andaman & Nicobar Islands which remain inaccessible throughout the year. A few other areas of Jammu & Kashmir were also excluded from the survey coverage owing to unfavourable field conditions. 8 NSS Report No. 470: Migration in India, 1999-2000

1.2.5 Method of data collection: The survey used the interview method of data collection from a sample of randomly selected households. The sample design on the basis of which such selection was made is stated in brief in the following sub-section. 1.2.6 Period of survey and work programme: The fieldwork of 55 th round of NSSO started from 1 st July, 1999 and continued till 30 th June, 2000. As usual, the survey period of this round was divided into four sub-rounds, each with a duration of three months, the 1 st sub-round period ranging from July to September,1999, the 2 nd sub-round period from October to December 1999 and so on. An equal number of sample FSU s was allotted for survey in each of these four subrounds. 1.2.7 Sampling design 1.2.7.1 An outline of the sampling design : The sampling design adopted for the survey was essentially a stratified multi-stage one for both rural and urban areas. The first stage units (FSUs) were villages (panchayat wards for Kerala) for rural areas and NSS Urban Frame Survey (UFS) blocks for urban areas. The ultimate stage units (USUs) were households. The procedure for selection of fsus/usus are given in detail in chapter 3 of this report. Large FSUs were subdivided into hamlet- groups (rural)/sub-blocks (urban). Details of the formation of hamletgroups/ sub-blocks and procedure of selection of households are also given in chapter 3. 1.2.7.2 Sampling Frame for FSUs: The list of villages (panchayat wards for Kerala) as per 1991 Census and latest lists of UFS blocks of NSSO were respectively used for selection of rural and urban sample FSUs. For selection of sample villages from the State of Jammu & Kashmir, the list of villages as per 1981 Census was used as the sampling frame. Moreover, all the uninhabited villages of the country as per 1991 Census, interior villages of Nagaland situated beyond 5 kms. of a bus route and inaccessible villages of Andaman & Nicobar Islands were left out of the survey coverage of the NSS 55 th round. 1.2.7.3 Sample Size first stage units: A total number of 10,384 FS Us (6,208 villages and 4,176 urban blocks) was selected for survey in the central sample at the all-india level in the 55 th round for canvassing schedule 10. Sample size for the whole round for each State/UT x Sector (i.e. rural/urban) was allocated equally among the 4 sub-rounds. Sample FSUs for each sub-round were selected afresh in the form of 2 independent sub-samples. Thus, there were 8 such subsamples. In addition, 3894 FSUs 1298 in each of the sub-rounds 2, 3 and 4, corresponding to sub-samples 1, 3 and 5 - were re-visited for canvassing schedule 10.1. 1.2.7.4 Sample size second stage units: For schedule 10, in each of the eight sub-samples, from each selected village in rural areas and from each selected urban block in urban areas, a sample of 12 households were surveyed. Apart from this, in the 3 re-visited sub-samples, viz. subsamples 1, 3 and 5, the abridged schedule 10, viz. schedule 10.1, was canvassed during the revisit to the same set of households. In addition, in these re-visited sub-samples, from among the newly formed households found during the re-visit of a FSU, at most 1 household was surveyed from each of the two segments and only schedule 10 was canvassed in those households. In the central sample, 1,65,244 households were actually surveyed 97,986 in rural areas and 67,258 in urban areas. As regards the actual number of persons surveyed, it was 5,09,779 in the rural sector and 3,09,234 in the urban sector. 9 NSS Report No. 470: Migration in India, 1999-2000

1.3 Contents of the Report 1.3.1 As stated earlier, this report deals with various estimates on migration characteristics along with their correlates as obtained from tables generated on data collected on relevant items for the entire round. Consequently, all discussions in this report are limited to only such items/concepts, based on which estimates have been generated. A detailed explanation of these are given in the next chapter entitled Concepts and Definitions. 1.3.2 This report contains four chapters, including the present introductory chapter, and appe ndix tables. Chapter 2 states in detail the concepts and definitions of only those terms used in the survey in connection with the various items covered in this report. While chapter 3 gives a fairly detailed description of the sample design and estimatio n procedure used for the survey, chapter 4 discusses the main findings of the survey relating to the migration profile in India. The detailed tables based on which this report is brought out are presented in the. of the report contains 10 tables viz. M1 to M10. 1.3.3 All the estimates presented in this report are based on Central sample data only. The celllevel figures in any of the detailed tables, when added up, may not exactly equal the figure shown against the total column (or line) due to (i) rounding off and/or (ii) presence of nonresponse cases. It may be noted that the estimates of aggregates given in the detailed tables helps to combine the rates/ ratios. The survey estimates of the ratios or rates may be applied to the census projected population as on 01.01.2000, the mid-point of the 55 th round survey period (July, 1999 June, 2000) to arrive at the absolute number in any category. 10 NSS Report No. 470: Migration in India, 1999-2000

Chapter 2 Concepts and Definitions 2.0 The concepts and definitions of some important terms used in the survey and which are relevant to this report viz., those used to generate the tables and various estimates on migration are explained in the following paragraphs. 2.1 Household: A group of persons who normally lived together and took food from a common kitchen constituted a household. The adverb normally means that temporary visitors were excluded but temporary stay-aways were included. Thus a child residing in a hostel for studies was excluded from the household of his/her parents, but a resident employee or a resident domestic servant or paying guest (but not just a tenant in the house) was included in the employer s/host s household. Living together was given more importance than sharing food from a common kitchen in drawing the boundaries of a household in case the two criteria were in conflict. However, in the special case of a person taking food with his family but sleeping elsewhere (say, in a shop or a different house) due to space shortage, the household formed by such a person s family members was taken to include the person also. Each inmate of a hotel, mess, boarding-lodging house, hostel, etc., was considered to be a single-member household except that a family living in a hotel (say) was considered one household only. The same principle was applicable for the residential staff of such establishments. 2.2 Economic activity: Any activity resulting in production of goods and services that add value to national product was considered as an economic activity. Such activities included produc tion of all goods and services for market (market activities), i.e. production for pays or profit, and, the production of primary commodities for own consumption and own account production of fixed assets, among the non-market activities. 2.3 Activity status: It is the activity situation in which a person was found during a reference period with regard to the person's participation in economic and non-economic activities. According to this, a person could be in one or a combination of the following three broad activity statuses during a reference period: (i) working or being engaged in economic activity (work) as defined above, (ii) being not engaged in economic activity (work) but either making tangible efforts to seek 'work' or being available for 'work' if the 'work' is available and (iii) being not engaged in any economic activity (work) and also not available for 'work'. 11 NSS Report No. 470: Migration in India, 1999-2000

Broad activity statuses mentioned in (i) and (ii) above are associated with 'being in labour force' and the last with 'not being in the labour force'. Within the labour force, broad activity status (i) and (ii) were associated with 'employment' and unemployment, respectively. 2.4 Usual principal activity status: 2.4.1 The usual activity status relates to the activity status of a person during the reference period of 365 days preceding the date of survey. The activity status on which a person spent relatively longer time (i.e. major time criterion) during the 365 days preceding the date of survey was considered as the usual principal activity status of the person. To determine the broad usual principal activity status of a person, he/she was first categorised as belonging to the labour force or not during the reference period on the basis of major time criterion. Persons thus adjudged as not belonging to the labour force were assigned the broad activity status 'neither working nor available for work'. For persons belonging to the labour force, the broad activity status of either 'working' or not working but seeking and/or available for work was ascertained based on the same criterion viz. relatively longer time spent in accordance with either of the two broad statuses within the labour force during the 365 days preceding the date of survey. 2.4.2 Each of the three broad activity statuses mentioned above was further sub-divided into several detailed activity categories. Within the broad activity status, the detailed activity status of a person pursuing more than one such activity was determined on the basis of the relatively longer time spent on such activities. The detailed usual principal activity categories used in the survey (along with the codes assigned to them as indicated in brackets) are stated below: (1) working or being engaged in economic activities (employed): (a) worked in household enterprise (self-employed) as own account worker (11); (b) worked in household enterprise (self-employed) as employer (12); (c) worked as helper in household enterprises (unpaid family worker) (21); (d) worked as regular salaried/wage employee (31); (e) worked as casual wage labour (i) in public works (41), (ii) in other types of work (51); (2) not engaged in work but seeking and/or available for work (unemployed) (81) (3) not engaged in work and also not available for work (not in labour force): (a) attended educational institutions (91); (b) attended domestic duties only (92); (c) attended domestic duties and was also engaged in free collection of goods (vegetables, roots, firewood, cattle-feed, etc.) sewing, tailoring, weaving, etc. for household use (93); (d) rentiers, pensioners, remittance recipients, etc. (94); (e) not able to work due to disability (95); (f) beggars, prostitutes (96); and (g) others (97) 12 NSS Report No. 470: Migration in India, 1999-2000

2.4.3 Workers (or employed): Persons who were engaged in any economic activity during the major part of the year were treated as workers according to usual status. These persons were classified under the activity categories 11-51. 2.4.4 Seeking or available for work (or unemployed): Persons, who owing to lack of work, had not worked but either sought work through employment exchanges, intermediaries, friends or relatives or by making applications to prospective employers or expressed their willingness or availability for work under the prevailing conditions of work and remuneration, were considered as those who were seeking or available for work (or unemployed). Unemployed persons were classified under the activity category 81. 2.4.5 Labour force: Persons, who, were either 'working' (or employed) or 'seeking or available for work' (or unemployed) constituted the labour force. Persons who were neither 'working' nor 'seeking or available for work' for various reasons during the reference period were considered as 'out of labour force'. 2.4.6 Self-employed: Persons who operated their own farm or non-farm enterprises or were engaged independently in a profession or trade on own-account or with one or a few partners were deemed to be self-employed in household enterprises. The essential feature of the selfemployed is that they have autonomy (i.e., how, where and when to produce) and economic independence (i.e., market, scale of operation and money) for carrying out their operation. These persons were classified in the activity categories 11-21. Self-employed persons were categorised as follows: (i) own-account workers (11): those self-employed persons who operated their enterprises on their own account or with one or a few partners and who, during the reference period, by and large, ran their enterprise without hiring any labour. They could, however, have had unpaid helpers to assist them in the activity of the enterprise; (ii) Employers (12): those self-employed persons who worked on their own account or with one or a few partners and, who, by and large, ran their enterprise by hiring labour; and (iii) helpers in household enterprise (21): those self-employed persons (mostly family members) who were engaged in their household enterprises, working full or part time and did not receive any regular salary or wages in return for the work performed. They did not run the household enterprise on their own but assisted the related person living in the same household in running the household enterprise. 2.4.7 Regular salaried/wage employee: These were persons who worked in others farm or nonfarm enterprises (both household and non-household) and, in return, received salary or wages on a regular basis (i.e. not on the basis of daily or periodic renewal of work contract). This category included not only persons getting time wage but also persons receiving piece wage or salary and paid apprentices, both full time and part-time. 2.4.8 Casual wage labour: A person who was casually engaged in others farm or non-farm enterprises (both household and non-household) and, in return, received wages according to the terms of the daily or periodic work contract, was a casual wage labour. 13 NSS Report No. 470: Migration in India, 1999-2000

2.5 Industry-occupation: The description of the industry-occupation was relevant to the type of economic activity pursued by the person. NIC-1998 was followed for classifying industries and NCO-1968 was followed for classifying occupations. In case two or more industry-occupation combinations corresponding to the status code were reported by a person, the principal industryoccupation was taken as the one in which relatively more time was spent during the reference period by the person. 2.6 Usual place of residence (upr): In this survey, usual place of residence (upr) of a person was defined as a place (village/town) where the person had stayed continuously for a period of six months or more. 2.7 Migrant: A member of the sample household was treated as a migrant if he/she had stayed continuously for at least six months or more in a place (village/town) other than the village/town where he/she was enumerated. The village/town where the person had stayed continuously for at least six months or more prior to moving to the place of enumeration (village/town) was referred to as the last us ual place of residence of that migrated person. Shifting of residence within village/town was not considered as an event of migration. 2.8 Period since leaving the last usual place of residence: The period elapsed since leaving the last usual place of residence till the date of survey (i.e. period elapsed since migration) was recorded in completed number of years i.e. part of any year was ignored to get the period since leaving the last usual place of residence. Periods of temporary stay (less than 6 months) in other places after leaving the last usual place of residence were also included for determining period since migrated. 2.9 Location of last usual place of residence: The location of last usual place of residence of the migrants was recorded in terms of 7 categories viz. (i) located in rural areas of same district, (ii) located in urban areas of same district, (iii) located in rural areas of another district of same state, (iv) located in urban areas of another district of the same state, (v) located in rural areas of another state, (vi) located in urban areas of another state and (vii) located in another country. 2.10 Reason for leaving last usual place of residence: Reasons for leaving the last usual place of residence (i.e. reasons for migration) were recorder in terms of 13 categories. These were (i) in search of employment, (ii) in search of better employment, (iii) to take up employment/ better employment, (iv) transfer of service/contract, (v) proximity to place of work, (vi) studies, (vii) acquisition of own house/flat, (viii)housing problem, (ix)social/ political problem, (x) health, (xi)marriage, (xii) migration of parent/earning member and (xiii) others. 14 NSS Report No. 470: Migration in India, 1999-2000

Chapter 3 Sample Design and Estimation Procedure 3.1 Sample Desig n 3.1.1 A stratified multi-stage sampling design for rural as well as urban areas was adopted for selection of the sample units for the survey. The first stage units (FSU) were the census villages (panchayat wards for Kerala) for rural areas and the NSSO Urban Frame Survey (UFS) blocks for urban areas. The ultimate stage units (USU) were the households for both rural and urban areas. 3.1.2 Selection of the first -stage units: The various steps involved before making the selection of the FSUs are discussed at length in the following few paragraphs before taking up the issue of selection of USUs within a FSU. 3.1.2.1 Sampling frame for the first stage units (FSU s): For rural areas, the list of census villages as per 1991 population census (list of census villages as per 1981 Census for the State of Jammu & Kashmir) constituted the sampling frame for selection of sample FSUs for most of the states. For the rural areas of Kerala, however, the list of panchayat wards was used as the sampling frame for selection of panchayat wards. For Nagaland, the list of villages located within 5 kms. of a bus route constituted the sampling frame, whereas, the list of accessible villages constituted the sampling frame for Andaman & Nicobar Islands. All the uninhabited villages of the country as per 1991 Census were left out of the survey coverage of the NSS 55th round. For the urban areas, the latest lists of UFS blocks constituted the sampling frame for selection of sample FSUs. 3.1.2.2 Stratification of the first stage units in rural areas: From the list of villages of each State/ Union Territory (U.T.), initially, two special strata were formed by considering villages (a) with very small population and (b) with very high population. These are formally stated belo w: Stratum 1: all FSU s with population between 1 to 100, Stratum 2: FSU s with population more than 15,000. The above two strata were spread across a given state and were not confined to any particular administrative division within the state. Each of the above two strata was formed if at least 50 such FSU s were there in the respective frames. Otherwise, these type of villages were included in the general strata as described below: After formation of strata 1 and 2 (wherever applicable), the remaining villages of the State/ U.T. were considered for formation of general strata. While forming general strata, efforts were made to treat each district with population less than 2 millions as a separate stratum. If limitation of sample size did not allow forming so many strata, smaller districts within a particular NSS region were merged to form a stratum. Each district with rural population of 2 millions or more as per 1991 Census (1.8 millions or more as per 1981 Census in case of Jammu & Kashmir) was as usual split into a number of strata. 15 NSS Report No. 470: Migration in India, 1999-2000

3.1.2.3 Stratification of the first stage units in urban areas: Within each NSS region, strata were formed by grouping towns on the basis of their population as per 1991 population census (1981 Census for the State of Jammu & Kashmir) following certain specifications which are stated below in a tabular form: Stratum Composition of strata within a NSS region number 1, 3, 5 * hospital area (HA) / industrial area (IA) / bazaar area (BA) blocks taken together of each single city with a population of 10 lakhs or more (there could be a maximum of 3 such cities within an NSS Region) 2, 4, 6 * Other blocks of each single city with a population of 10 lakhs or more 7 HA or IA or BA blocks of all towns with population between 50,000 to less than 10 lakhs 8 Other blocks of all towns with population between 50,000 to less than 10 lakhs 9 HA or IA or BA blocks of all towns with population less than 50,000 10 Other blocks of all towns with population less than 50,000 * Stratum numbers 3, 4, 5 & 6 remained void if there was only one city in an NSS region with a population of 10 lakhs or more. It may be noted that if limitation of sample size did not allow forming so many strata, all blocks of stratum 7 were merged with those of stratum 8 and all blocks of stratum 9 were merged with those of stratum 10. 3.1.2.4 Allocation of FSU s among Strata: At the all-india level, a total number of 10,384 FSU s (6208 villages and 4176 urban blocks) was selected for survey in the central sample in the 55th round. The actual state/ U.T. level allocation of FSUs in both the rural and urban sector are given in Table A at the end of this. The sample size at the state/u.t. level was allocated as follows: (a) in rural areas: state/ UT level rural sample size was allocated among the rural strata in proportion to population. (b) in urban areas: state/ UT level urban sample size was first allocated among the three classes of towns (i.e. 10 lakh +, 50000 to less than 10 lakhs and less than 50,000) in proportion to population. Then sample allocation for each of the three classes of towns, within an NSS region, was further allocated between two strata types consisting of - (i) HA/ IA/ BA blocks, and (ii) the rest in proportion to total number of FSU s in the respective frames with double weightage given to the first category of blocks. 3.1.2.5 Sub-round wise allocation: Sample size for the whole round for each State/UT x Sector (i.e. rural/ urban) were allocated equally among the 4 sub-rounds. Stratum level allocations for both rural and urban areas of a sub-round were made in even numbers in order to facilitate selection of FSU s in the form of 2 independent sub-samples. Sub-sample numbers were 1 & 2 for sub-round 1; 3 & 4 for sub-round 2; 5 & 6 for sub-round 3 and 7 & 8 for sub-round 4. One salient feature of the 55th round was the rotation sampling scheme, which was adopted for the 16 NSS Report No. 470: Migration in India, 1999-2000

first time in the NSS for the purpose of collection of employment-unemployment data from central sample only. Under this scheme, 1 sub-sample of the sampled first stage units (FSU s) of each sub-round was revisited in the subsequent sub-round. From each such FSU, sample households visited in the previous sub-round for collecting data on employment-unemployment were revisited in the subsequent sub-round for collecting employment-unemployment details. 3.1.2.6 Selection of first-stage units: For each sub-round, sample first-stage units from each stratum were selected afresh in the form of 2 independent sub-samples by following circular systematic sampling with: (a) probability proportional to population for all rural strata other than stratum 1, and (b) equal probability for rural stratum 1 as well as for all urban strata. 3.1.3 Selection of Ultimate Stage Units within a FSU: The remaining paragraphs of this subsection outline the various steps leading to the actual selection of USUs within a FSU. 3.1.3.1 Formation of hamlet -groups/ sub-blocks: In some cases, depending upon the approximate present population (P) and approximate total number of non-agricultural enterprises (E) of the villages/ blocks, the FSUs were further divided into a fixed number of hamlet groups/ sub-blocks, as per the rules stated below: Value of P No. of hg s/ sb s formed in the FSU as per population criterion Value of E No. of hg s/ sb s formed in the FSU as per enterprise criterion (1) (2) (3) (4) Less than 1200 1 @ Less than 100 1 @ 1200 1999 5 100 249 5 2000 2399 6 250 299 6 2400 2799 7 300 349 7 2800 3199 8 350 399 8 (and so on) (and so on) @ no. of hg s/ sb s = 1 implies that the whole FSU was considered for listing. It may be noted that for rural areas of Himachal Pradesh, Sikkim and Poonch, Rajouri, Udhampur and Doda districts of Jammu & Kashmir, number of hamlet groups formed in the village as per population criterion was: 1 for P < 600, 5 for P = 600 to 999, 6 for P = 1000 to 1199, 7 for P = 1200 to 1399, 8 for P = 1400 to 1599, and so on (procedure remaining unchanged as per enterprise criterion). Further, the higher of the two values obtained as per population and enterprise criteria was taken as the number (D) of hamlet-groups (hg)/ sub-blocks (sb) to be formed in the FSU. In cases where hg s/ sb s were formed in the sample FSU, the same was done by more or less equalizing the population of the different hgs/ sbs of the FSU. 3.1.3.2 Formation of Segments within FSU : The hg/ sb having maximum concentration of nonagricultural enterprises was selected with certainty for listing of households/ enterprises. This hamlet group/ sub-block was referred to as segment 1. From the remaining (D-1) hg s/ sb s of the FSU, 2 more hg s/ sb s were selected circular systematically and these 2 selected hg s/ sb s together were referred to as segment 2 for doing a combined listing of households. The listing of households was done only in segments 1 and 2 of the FSU. The FSUs not requiring hg/ sb formation were treated as segment 1 for the purpose of data collection and estimation. 17 NSS Report No. 470: Migration in India, 1999-2000

3.1.3.3 Sampling frame of households: All households of segments 1 and 2 of the FSU were listed independently and this list of households of the segments 1 and 2 constituted the sampling frame for the purpose of selection of sample households from the corresponding segments. 3.1.3.4 Stratification of households: All the households listed in a segment (both rural & urban) were stratified into two second stage strata, viz. affluent households which formed second stage stratum 1, and the rest which formed second stage stratum 2. In the rural sector, a household was classified as affluent if the household owned certain items like motor car/ jeep, colour TV, telephone, etc. or owned land / livestock in excess of certain limits. In the urban sector, the households with MPCE (monthly per capita consumer expenditure) greater than certain limit for a given town/city were treated as affluent households and were included in the frame of second stage stratum 1, and rest of the urban households were included in the frame of second stage stratum 2. 3.1.3.5 Selection of households: Sample households were selected from the respective frames by circular systematic sampling with equal probability. For the purpose of systematic sampling, households in the frame of second stage stratum 2 were arranged by means of livelihood x land possessed classes for rural samples and by means of livelihood x MPCE classes for urban samples. The number of households selected for survey on employment unemployment from different segments x second stage stratum (within a FSU) are specified below: segment Household allotment * second stage stratum 1 2 total (1) (2) (3) (4) FSU with hg/ sb formation: 1 1 3 4 2 1 7 8 FSU with no hg/ sb formation: 1 2 10 12 * The fsus of sub-sample 1, sub-sample 3 and sub-sample 5 were re-visited during subround 2, sub-round 3 and sub-round 4 respectively. In the fsus of these re-visit subsamples, all the households where schedule 10 was previously canvassed (i.e. during the previous sub-round) were re-visited for canvassing schedule 10.1. However, in case such a household could not be surveyed during re-visit, it was substituted and schedule 10 was canvassed in the substituted household. Further, schedule 10 was also canvassed for those households, which were casualty during, visit 1 but could be surveyed during the revisit. From among the newly formed households found during the re-visit of a fsu (which constituted the second stage stratum 9), at most 1 household was surveyed from each of the 2 segments and schedule 10 only was canvassed for those households. 18 NSS Report No. 470: Migration in India, 1999-2000

3.2 Estimation Procedure 3.2.1 This estimation procedure adopted in the 55 th round for schedule 10 provides (a) estimates on quarterly/ sub-round basis, and (b) the estimate of error from the sub-sample replicates. Tabulated estimate for a quarter/ sub-round was obtained by combining the estimates of the corresponding sub-sample replicates. The estimation procedure adopted in the 55 th round for schedule 10 is described below. 3.2.2 Notation: The notations used for estimation procedure are given below: a = subscript for the a-th stratum r = subscript for the r-th sub-sample replicate ( r = 1,2,,8) q = subscript for the q-th sub-round / quarter (q=1,2,3 & 4) f = subscript for the f-th sampled village/ block as First Stage Unit ( FSU ) s = subscript for the s-th segment of sampled village/ block ( s= 1 & 2) c = subscript for the c-th second stage stratum of households in the sampled village/ block (c= 1,2); for new households during revisit, c= 9. j = subscript for the j-th sampled household p = subscript for pooled estimate z= size used for selection of an FSU from the sampling frame Z = total of sizes in the sampling frame for the stratum n = number of sampled FSU surveyed within a stratum and a sub-sample replicate (including zero cases and uninhabited cases but excluding casualty cases) and us ed for tabulation L = number of sub-sample replicates surveyed and used for tabulation D = number of hamlet-groups/ sub-blocks formed in rural/ urban sampled FSU H = total number of households listed in the appropriate frame h = number of sampled households surveyed and used for tabulation from the frame y, x= value of characteristic y, x obtained in the sample, Y X = estimated value of characteristic y, x obtained from the sample. 3.2.3 Estimates of aggregates: If Y be the estimate of aggregate of any characteristic y for a given stratum (a), and for a particular sub-round (q) and sub-sample replicate (r), the formula used for estimating a characteristic of household from a given 2nd stage stratum (c) is as specified below: For rural areas: n 2 Z Yˆ 1 c = B n zf fsc h fsc f = 1 s= 1 j= 1 y fscj where H h fsc B fsc =, for segment 1 (s=1) and fsc D 1 2 f B fsc = H h fsc fsc, for segment 2 (s=2). For urban areas: 19 NSS Report No. 470: Migration in India, 1999-2000

Yˆ c = Z n where, n 2 B fsc h fsc f = 1 s= 1 j = 1 H h y fscj fsc B fsc =, for segment 1 (s=1) and fsc D 1 2 f B fsc = H h fsc fsc, for segment 2 (s=2). These formulae are provided for the general case of FSU s having 2 segments 1 & 2. For the FSU s requiring no hg/ sb formation, the formula is identical to that given for segment 1 while the contribution from segment 2 is taken as zero. Finally, the estimate of a characteristic y for a stratum (a), for a particular sub -round (q) and a sub-sample replicate (r) (which actually represented Yˆ aqr ) was obtained as Yˆ Yc ˆ. The combined estimate for a particular stratum and a particular sub-round was computed as the average of sub-sample replicate estimates and is given below: Yˆ 1 = L L aq Yaqr r= 1 ˆ If Yˆ qr be the State/ UT/ Region level aggregate from the r-th sub-sample replicate and q-th sub-round, and Yˆ qp, the combined estimate of the aggregate based on the whole samp le, for a given sub-round/ quarter q, then: Yˆ qr = Yaqr ˆ based on sub-sample replicate group r, a and L Yˆ 1 qp = Yqr ˆ based on all sub-sample replicates. L r = 1 = c 3.2.4 Estimates of ratios: If Xˆ & Yˆ be the State/ UT/ Region level aggregate estimate corresponding to variables x and y, then the estimate of ratio, in general, is given by Yˆ r ˆ r = based on sub-sample group r, ˆr R and X Yˆ p ˆ p = based on the whole sample. ˆp R X Estimates for the sub-round (/quarter) Rˆ qr and and Yˆ qp, respectively and Xˆ r and Xˆ p by Xˆ qr and Rˆ qp was obtained by replacing Ŷr and Xˆ qp, respectively. Yˆ p by Yˆ qr 3.2.5 Treatment for casualty: 20 NSS Report No. 470: Migration in India, 1999-2000

I) If H fsc >0 but h rfsc =0 for a particular 2nd stage stratum of households in a FSU with no hamletgroup/ sub-block formation (ie. D f =1), it was a case of casualty and the value of n was reduced by 1. II) If D f > 1 and H fs c >0 but h fs c =0 for s=1 (say, s ) and if it was not a case for the entire FSU, here n was not reduced by 1 and in this case [(D f -1)/2] x H fsc was replaced by {H fs c + [(D f - 1)/2] x H fsc } in the formula for s=2. III) If Df > 1 and Hfs c >0 but hfs c=0 for s=2 (say, s ) and if it was not a case for the entire FSU, here n was not reduced by 1 and in this case, H fsc was replaced by {H fsc + [(D f -1)/2] x H fs c } in the formula for s=1. IV) If H fsc >0 but h fsc =0 for a particular second stage stratum of households in both the segments (s=1 & 2) in an FSU, it was a case of casualty and the value of n was reduced by 1. 21 NSS Report No. 470: Migration in India, 1999-2000

Table A: Number of villages/ blocks allotted and surveyed and number of persons surveyed in different states and union territories Villages / blocks persons state/ut. allotted surveyed surveyed rural urban rural urban rural urban ( 1 ) (2) (3) (4) (5) (6) (7) Andhra Pradesh 432 320 432 320 30668 22712 Ar. Pradesh 80 24 74 21 5393 993 Assam 296 72 291 71 25875 4890 Bihar 624 192 611 190 54810 15635 Goa 16 24 16 24 1193 1634 Gujarat 208 232 208 232 17681 17936 Haryana 96 64 96 64 8858 5091 H. P. 144 80 140 80 10807 4703 Jammu Kashmir 208 128 131 84 10796 6744 Karnataka 232 208 232 208 19627 15232 Kerala 240 168 240 168 16815 12642 Madhya Pradesh 432 264 432 264 39359 22425 Maharashtra 352 440 352 440 28027 33233 Manipur 64 56 64 56 5441 4757 Meghalaya 80 32 80 32 6472 2282 Mizoram 40 72 39 72 2826 5571 Nagaland 40 24 40 24 3285 1559 Orissa 296 88 295 88 23277 6209 Punjab 184 160 184 160 16346 11509 Rajasthan 272 168 272 168 25828 13668 Sikkim 88 24 88 24 7111 1475 Tamil Nadu 352 360 352 360 23523 22961 Tripura 136 48 86 48 6435 3305 Uttar Pradesh 792 392 791 391 78391 34132 West Bengal 384 288 384 288 31813 19404 A & N Islands 24 16 24 16 2327 1061 Chandigarh 16 64 16 64 927 4387 D & N Haveli 16 8 16 8 1247 527 Daman & Diu 16 16 15 16 1095 1318 Delhi 16 96 16 96 1340 6768 Lakshadweep 8 16 7 16 455 2314 Pondicherry 24 32 24 32 1731 2157 all India 6208 4176 6048 4125 509779 309234 22 NSS Report No. 470: Migration in India, 1999-2000

Chapter 4 Summary of findings 4.0. Introduction 4.0.1 The 55th round survey of NSSO was conducted in 6048 villages and 4125 urban blocks of India during July 1999-June 2000, in which, apart from collecting employment-unemployment particulars, certain information on socio-economic condition of sample households and demographic particulars like migration etc. pertaining to the surveyed individuals were also collected through the employment-unemployment schedule. Based on the data collected on migration through this schedule during the NSS 55 th round survey, 10 detailed tables viz. M1 to M10 have been generated which are presented in the. Of these, four tables viz. M4, M6, M9 and M10 are based on schedule 10 while the remaining 6 tables are based on the re-visit schedule as well. The summary tables of this chapter have been compiled from these detailed tables. As the estimates based on small sample sizes are not likely to be significantly reliable, results for the states/union territories based on smaller sample sizes have not been presented. This report presents results for 15 major states viz. Andhra Pradesh, Assam, Bihar, Gujarat, Haryana, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Orissa, Punjab, Rajasthan, Tamil Nadu, Uttar Pradesh and West Bengal with a more detailed picture at the all-india level. All- India estimates are based on data for all the states and union territories. 4.0.2 In this chapter, the main findings relating to the proportions and the distribution of the migrant population, social and the economic profile of the migrants, and the reason for their migration etc. have been presented. In some cases, a comparison with earlier survey results is also done at the all-india level. Proportions and distribution of persons whose place of enumeration was the usual place of residence (upr) and who stayed away from their villages/towns for 60 days or more for employment/ better employment or in search of employment in relation to their social and economic background are also discussed here. These discussions have been mainly centered at the all-india level for 6 categories of persons viz. rural male, rural female, rural person, urban male, urban female and urban persons. Unless mentioned otherwise, hereafter, the phrase categories of persons will refer to these 6 categories of persons. 4.0.3 The plan of this chapter is as follows. A section on the estimates of the migrants follows this introductory section. The next section deals with the migration rates for different categories of persons at the state and all-india level as also net-migration rates for major states. Section 3 deals with the distribution of the migrants by location of their last usual place of residence and rural-urban migration streams, inter-state migration for different categories of persons etc. while section 4 looks into the reasons for migration. The next section presents the role of socioeconomic forces on migration and the last section (section 6) presents the proportions and distribution of persons whose place of enumeration was the usual place of residence and who stayed away from their villages/towns for 60 days or more for employment/ better employment or in search of employment. Whenever tables are presented at the state level, those are placed at the end of this chapter. 23 NSS Report No. 470: Migration in India, 1999-2000